There are currently seven official public holidays in China. Each year’s holidays are announced weeks before the start of the year by the General Office of the State Council. Weekends are usually swapped with the weekdays next to the actual holiday to create a longer vacation period.

A GFCI is a device whose function is to interrupt the electric circuit to the load when a fault current to ground exceeds some predetermined value that is less than that required to operate the overcurrent protective device of the circuit. GFCIs are intended to be used only in circuits where one of the conductors is solidly grounded.